1780496920

素因数分解:

$2^3\times 5^1\times {\mathrm{44512423}}^1$

素因数の和:44512434

約数の個数: 16

約数和(自身を含む): 4006118160

約数和(自身を除く): 2225621240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 44512423, 89024846, 178049692, 222562115, 356099384, 445124230, 890248460, 1780496920]

約数ペア:

[(1, 1780496920), (2, 890248460), (4, 445124230), (5, 356099384), (8, 222562115), (10, 178049692), (20, 89024846), (40, 44512423)]